Dimitrios the Cleaner

Dimitrios the Cleaner (died 431 BC) was a Greek mercenary at the time of the Peloponnesian War.

Biography
Dimitrios worked at public baths as a boy, and the smells and patrons drove him crazy. He was rumored to have killed some customers by drowning them before covering them with sweet-smelling liquids, and, from that day, he was said to have only killed those whose smell assaulted his nose.